The Giant Behemoth (1959) runs 1 h 20 min, is rated NR in the US and averages 5.8 from 62 TMDB members. Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.
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Streaming availability by JustWatch. In the US, as of 2026-11-05: Plex (free with ads), Cineverse (free with ads).
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Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-05. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists